MAXPEEDINGRODS AU8S5O Carburetor Barrel Quadrajet 1906R 1904R 750CFM 4MV

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: AU8S5O ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Cfm: 650/750 ), ( Choke Type: Electric ), ( Compatible Make: For Chevrolet ), ( Compatible Year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 ), ( Engine: 5.0l 305cu, 5.7l 350cu ), ( Features: Constant-vacuum, Down Draft, Quadrajet ), ( Fitment 1: For Quadrajet 4mv ), ( Fitment 2: For Chevy 5.0l 305cu Engine 1980-1989 ), ( Fitment 3: For Chevy 5.7l 350cu 1980-1989 ), ( Fitment Type: Direct Replacement ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Manufacturer Warranty: 1 Year ), ( Material: Alloy, Aluminum ), ( Maximum Flow: Cfm ), ( Mounting Flange Type: Spread Bore ), ( Needle Valve: 3.3 ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590, Carburetor, Carburettor, Carburetter, Carb, Carby, 4-barrel Carburetor, 4 Barrel Carburetor, 4 Barrel Carb, Carburetor Electric Choke, 4 Bbl Carburetor, 4 Bbl Carb ), ( Part Type: Intake Fuel System ), ( Type: Carburetor ), ( Universal Fitment: No ), ( Venturi Diameter: 31.7mm ), ( Country Of Origin: China )

Review MAXPEEDINGRODS Carburetor Barrel For Chevy 750cfm Rochester Quadrajet 4mv fits 305 350

The Maxxecar AU8S5O 1906R and 1904R carburetor barrels are ideal replacements for Chevrolet engines with a 305 or 350 cubic inch V8 and a Rochester Quadrajet 4MV carburetor. These barrels are designed to deliver superior performance, efficiency, and durability.

The AU8S5O barrels feature a large 750 CFM (cubic feet per minute) airflow capacity, making them suitable for high-performance applications. They are constructed from high-quality aluminum, ensuring lightweight yet robust design. The barrels are also finished with a polished surface, giving them an attractive appearance.

These barrels are designed to work seamlessly with the Quadrajet 4MV carburetor, ensuring optimal fuel-air mixture for efficient combustion. The barrels feature a quad-bore design, which provides excellent atomization and vaporization of the fuel, leading to improved engine performance.

The AU8S5O barrels also come with new gaskets, making the installation process hassle-free. They are designed to fit securely on the intake manifold, ensuring a leak-free connection. The barrels are also equipped with new float bowls, which provide precise fuel delivery and help maintain consistent engine performance.

These barrels are engineered to provide excellent durability, with hard anodized throats and a reinforced gasket seal. They are also corrosion-resistant, making them suitable for use in various driving conditions and environments.

In summary, the Maxxecar AU8S5O 1906R and 1904R carburetor barrels are an excellent choice for Chevrolet engines with a 305 or 350 cubic inch V8 and a Rochester Quadrajet 4MV carburetor. They offer superior performance, efficiency, and durability, making them a worthwhile investment for any high-performance application.

Maxximus Racing (Maxpeedingrods) AU8S5O and AU8S4R Carburetor Barrels for Chevy 305, 350, 750cfm Rochester Quadrajet 4MV: A Comprehensive Analysis

Maxximus Racing, popularly known as Maxpeedingrods, offers aftermarket carburetor barrels, including the AU8S5O and AU8S4R models, which are designed to fit Chevy 305 and 350 engines with 750cfm Rochester Quadrajet 4MV carburetors. In this analysis, we will discuss the potential advantages and disadvantages of purchasing these carburetor barrels.

1. Improved Air/Fuel Mixture: Maxpeedingrods AU8S5O and AU8S4R carburetor barrels are designed to provide better air/fuel mixture, which can lead to improved engine performance, increased horsepower, and better fuel efficiency.

2. Enhanced Driveability: These carburetor barrels offer enhanced driveability, allowing for smoother acceleration and better throttle response.

3. Customizable: Maxpeedingrods offers various options in terms of venturi size and shape, enabling users to choose the optimal setup for their specific engine and driving conditions.

4. High-Quality Material: These carburetor barrels are made from high-quality materials, ensuring durability and resistance to corrosion and wear.

1. Cost: Maxpeedingrods AU8S5O and AU8S4R carburetor barrels are more expensive than stock carburetor barrels. This may be a deterrent for some buyers.

2. Installation Complexity: Installing these aftermarket carburetor barrels may require some level of expertise and additional tools, which could add to the overall cost and time investment.

3. Potential Compatibility Issues: While these carburetor barrels are designed to fit specific engines and carburetors, there is always a possibility of compatibility issues. It is crucial to ensure the correct fit before purchasing.

Maxximus Racing (Maxpeedingrods) AU8S5O and AU8S4R carburetor barrels offer several advantages, including improved engine performance, enhanced driveability, and customizable options. However, they come with some disadvantages, such as higher cost, installation complexity, and potential compatibility issues.

If you are looking for better engine performance and improved driveability from your Chevy 305 or 350 engine with a 750cfm Rochester Quadrajet 4MV carburetor, the Maxpeedingrods AU8S5O or AU8S4R carburetor barrels could be a worthwhile investment. However, it is essential to consider the potential downsides, including the cost, installation complexity, and compatibility issues. Prospective buyers should carefully assess their specific needs and budget before making a purchase.

Details:

Compact size, less fuel consumption, energy saving and economical. Factory Warranty. Aftermarket brand new, ensure superior and reliable quality.

As shown in the picture. Package Included. Let your vehicles speed up in a short time, better driving experience. Replaces Part Numbers.

>>you might also like. Fast Shipping. Best Costumer Service. Need to tune based on the actual situation.

1904R, 1906R. offers a minimum one year, unlimited mileage warranty on most of parts sold, some are otherwise noted longer manufacturer Control the speed of engine under stable condition, effective operation

Do not have connector. Improve the structure during manufacturing process, high accuracy. High hardness and corrosion resistance, longer usage life. 5.7L Engine 1980 - 1989.

It begins from the date purchased.

part #: au8s5o prices

• $139.99-$219.95

specifications carbcoon:

• for models: 305, 350
• for makes: Chevy, Rochester
• brand: Maxpeedingrods
• mpn: Au8s5o
• california prop 65 warning: California Prop 65 Warning
• cfm: 650/750
• choke type: Electric
• compatible make: For Chevrolet
• compatible year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
• engine: 5.0l 305cu, 5.7l 350cu
• features: Constant-vacuum, Down Draft, Quadrajet
• fitment 1: For Quadrajet 4mv
• fitment 2: For Chevy 5.0l 305cu Engine 1980-1989
• fitment 3: For Chevy 5.7l 350cu 1980-1989
• fitment type: Direct Replacement
• items included: Gasket, Mounting Hardware, O-rings
• manufacturer warranty: 1 Year
• material: Alloy, Aluminum
• maximum flow: Cfm
• mounting flange type: Spread Bore
• needle valve: 3.3
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590, Carburetor, Carburettor, Carburetter, Carb, Carby, 4-barrel Carburetor, 4 Barrel Carburetor, 4 Barrel Carb, Carburetor Electric Choke, 4 Bbl Carburetor, 4 Bbl Carb
• part type: Intake Fuel System
• type: Carburetor
• universal fitment: No
• venturi diameter: 31.7mm
• country of origin: China

offer carbcoon:

• options: Ship-to-home
• availability: In Stock
• started: May 1, 2026
• sold: 0
• best offers: True

returns carbcoon:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general carbcoon:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

• city: Rowland height, California
• rating: 99.6%
• # reviews: 24606

shipping carbcoon:

• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• type: Fixed
• carrier: FedEx
• transit: 3-6 Days
• class: Standard

payments carbcoon:

• wallet: Paypal
• other
• credit card: Mastercard

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